package Com.amit.Collection;

import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

public class Lab24 {

	
	public static void main(String[] args) {
		
		Properties p=System.getProperties();
		
		Set set=p.entrySet();
		
		Iterator it=set.iterator();
		
		while(it.hasNext())
		{
			Map.Entry m=(Map.Entry) it.next();
			System.out.println(m.getKey()+" "+m.getValue());
		}
		
		
		
	}

}
